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/*
Copyright (C) 2006 Paul Davis
Author: David Robillard
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_midi_track_h__
#define __ardour_midi_track_h__
#include "ardour/midi_channel_filter.h"
#include "ardour/midi_ring_buffer.h"
#include "ardour/track.h"
namespace ARDOUR
{
class InterThreadInfo;
class MidiDiskstream;
class MidiPlaylist;
class RouteGroup;
class SMFSource;
class Session;
class LIBARDOUR_API MidiTrack : public Track
{
public:
MidiTrack (Session&, std::string name, TrackMode m = Normal);
~MidiTrack ();
int init ();
int roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, int declick, bool& need_butler);
void realtime_handle_transport_stopped ();
void realtime_locate ();
void non_realtime_locate (framepos_t);
boost::shared_ptr<Diskstream> create_diskstream ();
void set_diskstream (boost::shared_ptr<Diskstream>);
bool can_be_record_enabled ();
bool can_be_record_safe ();
DataType data_type () const {
return DataType::MIDI;
}
void freeze_me (InterThreadInfo&);
void unfreeze ();
bool bounceable (boost::shared_ptr<Processor>, bool) const { return false; }
boost::shared_ptr<Region> bounce (InterThreadInfo&);
boost::shared_ptr<Region> bounce_range (framepos_t start,
framepos_t end,
InterThreadInfo& iti,
boost::shared_ptr<Processor> endpoint,
bool include_endpoint);
int export_stuff (BufferSet& bufs,
framepos_t start_frame,
framecnt_t end_frame,
boost::shared_ptr<Processor> endpoint,
bool include_endpoint,
bool for_export,
bool for_freeze);
int set_state (const XMLNode&, int version);
void midi_panic(void);
bool write_immediate_event(size_t size, const uint8_t* buf);
/** A control that will send "immediate" events to a MIDI track when twiddled */
struct MidiControl : public AutomationControl {
MidiControl(MidiTrack* route, const Evoral::Parameter& param,
boost::shared_ptr<AutomationList> al = boost::shared_ptr<AutomationList>())
: AutomationControl (route->session(), param, ParameterDescriptor(param), al)
, _route (route)
{}
bool writable() const { return true; }
MidiTrack* _route;
private:
void actually_set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
};
virtual void set_parameter_automation_state (Evoral::Parameter param, AutoState);
NoteMode note_mode() const { return _note_mode; }
void set_note_mode (NoteMode m);
std::string describe_parameter (Evoral::Parameter param);
bool step_editing() const { return _step_editing; }
void set_step_editing (bool yn);
MidiRingBuffer<framepos_t>& step_edit_ring_buffer() { return _step_edit_ring_buffer; }
PBD::Signal1<void,bool> StepEditStatusChange;
boost::shared_ptr<SMFSource> write_source (uint32_t n = 0);
/* Configure capture/playback channels (see MidiChannelFilter). */
void set_capture_channel_mode (ChannelMode mode, uint16_t mask);
void set_playback_channel_mode (ChannelMode mode, uint16_t mask);
void set_playback_channel_mask (uint16_t mask);
void set_capture_channel_mask (uint16_t mask);
ChannelMode get_playback_channel_mode() const { return _playback_filter.get_channel_mode(); }
ChannelMode get_capture_channel_mode() const { return _capture_filter.get_channel_mode(); }
uint16_t get_playback_channel_mask() const { return _playback_filter.get_channel_mask(); }
uint16_t get_capture_channel_mask() const { return _capture_filter.get_channel_mask(); }
MidiChannelFilter& playback_filter() { return _playback_filter; }
MidiChannelFilter& capture_filter() { return _capture_filter; }
boost::shared_ptr<MidiPlaylist> midi_playlist ();
PBD::Signal1<void, boost::weak_ptr<MidiSource> > DataRecorded;
boost::shared_ptr<MidiBuffer> get_gui_feed_buffer () const;
MonitorState monitoring_state () const;
void set_input_active (bool);
bool input_active () const;
PBD::Signal0<void> InputActiveChanged;
protected:
XMLNode& state (bool full);
void act_on_mute ();
void monitoring_changed (bool, PBD::Controllable::GroupControlDisposition);
private:
MidiRingBuffer<framepos_t> _immediate_events;
MidiRingBuffer<framepos_t> _step_edit_ring_buffer;
NoteMode _note_mode;
bool _step_editing;
bool _input_active;
MidiChannelFilter _playback_filter;
MidiChannelFilter _capture_filter;
virtual boost::shared_ptr<Diskstream> diskstream_factory (XMLNode const &);
boost::shared_ptr<MidiDiskstream> midi_diskstream () const;
void write_out_of_band_data (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, framecnt_t nframes);
void set_state_part_two ();
void set_state_part_three ();
int no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, bool state_changing);
void push_midi_input_to_step_edit_ringbuffer (framecnt_t nframes);
void diskstream_data_recorded (boost::weak_ptr<MidiSource>);
PBD::ScopedConnection _diskstream_data_recorded_connection;
void track_input_active (IOChange, void*);
void map_input_active (bool);
/** Update automation controls to reflect any changes in buffers. */
void update_controls (const BufferSet& bufs);
};
} /* namespace ARDOUR*/
#endif /* __ardour_midi_track_h__ */
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